2/14/2024 0 Comments Download vitamin d3 and k2![]() Their milk levels can be increased in mothers who consume certain fermented foods. Other menaquinones are synthesized by some bacteria. It can also be derived from maternal dietary poultry in countries where vitamin K3 (menadione), a chemical precursor of MK-4, is used in poultry feed. Since MK-4 can be synthesized from phylloquinone in the mother, dietary phylloquinone is the main source of milk MK-4. Vitamin K 2 (menaquinones) are also present in milk, mainly as menatetrenone (menaquninone-4 MK-4), at approximately one-half the levels of vitamin K 1. Vitamin K 1 (phylloquinone) is the predominant form in plasma and milk and derives from maternal dietary plant sources. ![]() Levels are approximately 1 mcg/L higher in hindmilk than foremilk. Similar levels have been reported in colostrum. ![]() Vitamin K is naturally present in human milk in concentrations of 1 to 9 mcg/L (2.2 to 20 nmol/L).
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